#18fdff
a balanced, electric cyan · cool · “cyan”
RGB
24, 253, 255
HSL
181°, 100%, 55%
CMYK
91, 1, 0, 0
Luminance
0.7766
Every format
| HEX | #18fdff |
| RGB | rgb(24, 253, 255) |
| HSL | hsl(181, 100%, 55%) |
| CMYK | cmyk(91%, 1%, 0%, 0%) |
| LAB | lab(90.6 -46.6 -14.9) |
| LCH | lch(90.6 49.0 197.7) |
| OKLCH | oklch(0.902 0.152 195.8) |
Copy-ready code
/* CSS */
color: #18fdff;
background-color: #18fdff;
/* Tailwind (arbitrary) */
class="text-[#18fdff] bg-[#18fdff]"
/* SCSS */
$brand: #18fdff;
/* SwiftUI */
Color(red: 0.094, green: 0.992, blue: 1.000)
/* Android */
Color.parseColor("#18fdff")Accessibility — WCAG contrast
Aa
#18fdff on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#18fdff on black: 16.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green99.2%
Blue100.0%
CMYK percentages
Cyan90.6%
Magenta0.8%
Yellow0.0%
Key (black)0.0%
Color previews
#18fdff text on a black background
contrast 16.53:1
Card sample
#18fdff text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #18fdff;
Background color
Panel with #18fdff background
background-color: #18fdff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #18fdff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 253, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 253, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #18fdff; background: linear-gradient(135deg, #18fdff, #1863FF);